A professional who controls refinery equipment to produce sugar and sugar products from starch. Respnsibilities include:

• Reads dials, meters, and gauges, and moves controls to adjust and regulate treating time, temperature, rate of flow and density of sugar liquors through filter and evaporator units.
• Monitors panelboard to detect and correct equipment malfunctioning.
• Records processing, control, and other production data in log.
• Directs refinery operator, assistant and filter tender when emergency operation of equipment is manually required, or in operational assignments.